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From: dripton@netcom.com (David Ripton)
Subject: Problems with GPL OpenGL on TNT
Message-ID: <driptonF31F7t.EJv@netcom.com>
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X-Newsreader: trn 4.0-test69 (20 September 1998) (NUGLOPS)
Date: Thu, 26 Nov 1998 16:31:05 GMT
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Xref: news.jprc.com rec.autos.simulators:60168

Picked up a Creative Labs TNT card last night.  The big 
question for me after reading many mixed reviews was whether 
the 1600x1200 2D output would be acceptable (it is); I knew 
the game 3D would be great.

Well, except for GPL.  Grabbed the second OpenGL beta from 
www.papy.com and read the readme.  Downloaded the latest 
reference drivers.  (I already had DX6.)  Started up GPL, 
selected OpenGL, exited and entered.  Crash.  Dropped to 
16-bit color and tried again.  Worked.  Watched some replays 
at 1024x768.  Gorgeous.  Tried to drive at 1024x768.  
Completely black screen (but with working sound and controls, 
basically Stevie Wonder Driving School).  Crash on exit.

Tried again and got a frozen mouse pointer on the intro screen.
Rebooted, fiddled with app.ini to use my Voodoo 1 card so that
I could navigate the menus, and reset the game res to 640x480.
Reselected OpenGL.  The game was playable in 640x480.  15 fps,
though, due to the known mirror problem.  Edited core.ini
to refresh the mirrors only every 4 frames and tried again.
That got about 30 fps and some really ugly mirrors.  (Raising
it to 6 or so should yield 36 fps, and I guess I could get used
to the mirrors.)

There's something weird about the track surface in the OpenGL
version of GPL running on a TNT.  It's kind of, er, shiny.
Otherwise, it looked fine.  But my Voodoo 1 is also fine for 
640x480, with good mirrors and easy setup.  For me, the whole
point of buying a TNT is being able to run games at 1024x768.

A Dejanews search on GPL and TNT yielded about 400 posts,
mostly juvenile garbage.  Lots of TNT owners talking about how 
their card was so much better than a Voodoo 2 because it could 
theoretically run GPL at 1280x1024; nobody actually showing how 
to do it.

Anyway, would any TNT owners like to recommend a particular
driver or trick that allows working 1024x768 GPL?  The readme 
says that STB's driver has a problem.  My experience (plus a 
couple of corroborating posts) say that the reference drivers 
work but only for 640x480.  Saw a couple of posts from people
with Creative Labs TNTs who couldn't get it to work at all, 
and the answer was to use the reference drivers.

Thanks.

-- 
David Ripton    dripton@netcom.com
spamgard(tm): To email me, put "geek" in your Subject line.
